PL2540702T3 - Method for the recovery of toluene diisocyanate from liquid residues of toluene diisocyanate production - Google Patents

Method for the recovery of toluene diisocyanate from liquid residues of toluene diisocyanate production

Info

Publication number
PL2540702T3
PL2540702T3 PL12170827T PL12170827T PL2540702T3 PL 2540702 T3 PL2540702 T3 PL 2540702T3 PL 12170827 T PL12170827 T PL 12170827T PL 12170827 T PL12170827 T PL 12170827T PL 2540702 T3 PL2540702 T3 PL 2540702T3
Authority
PL
Poland
Prior art keywords
toluene diisocyanate
recovery
production
liquid residues
residues
Prior art date
Application number
PL12170827T
Other languages
Polish (pl)
Inventor
Wolfgang Hinz
Lukas Gierecki
Georgios Raouzeos
Original Assignee
Buss-Sms-Canzler Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Buss-Sms-Canzler Gmbh filed Critical Buss-Sms-Canzler Gmbh
Publication of PL2540702T3 publication Critical patent/PL2540702T3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Drying Of Solid Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
PL12170827T 2011-06-30 2012-06-05 Method for the recovery of toluene diisocyanate from liquid residues of toluene diisocyanate production PL2540702T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011051467A DE102011051467A1 (en) 2011-06-30 2011-06-30 Process for the recovery of tolylene diisocyanate from liquid residues of toluene diisocyanate production
EP12170827.5A EP2540702B1 (en) 2011-06-30 2012-06-05 Method for the recovery of toluene diisocyanate from liquid residues of toluene diisocyanate production

Publications (1)

Publication Number Publication Date
PL2540702T3 true PL2540702T3 (en) 2017-05-31

Family

ID=46208349

Family Applications (1)

Application Number Title Priority Date Filing Date
PL12170827T PL2540702T3 (en) 2011-06-30 2012-06-05 Method for the recovery of toluene diisocyanate from liquid residues of toluene diisocyanate production

Country Status (4)

Country Link
EP (1) EP2540702B1 (en)
DE (1) DE102011051467A1 (en)
HU (1) HUE030875T2 (en)
PL (1) PL2540702T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020201277A1 (en) 2019-04-02 2020-10-08 Covestro Intellectual Property Gmbh & Co. Kg Drying apparatus and use thereof and process for producing an isocyanate using the drying apparatus
EP3990516A1 (en) 2019-06-27 2022-05-04 Covestro Deutschland AG Method for recovering raw materials from polyurethane products
CN111186835B (en) * 2020-01-13 2021-11-30 北京诺芯环境科技有限公司 Application of toluene diisocyanate kettle residue, method for preparing graphite by using toluene diisocyanate kettle residue, graphite and application of graphite
EP3960728A1 (en) 2020-08-24 2022-03-02 Covestro Deutschland AG Method for producing isocyanate with thermal oxidative recycling

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014538B (en) 1953-10-21 1957-08-29 Monsanto Chemicals Process for the preparation of organic diisocyanates
US2889257A (en) 1956-05-17 1959-06-02 Du Pont Distillation of tar residues
DE1133721B (en) 1959-06-12 1962-07-26 Ici Ltd Process for the removal of impurities from crude reaction solutions obtained in the production of organic isocyanates by phosgenation of primary amines in the presence of inert solvents
GB988966A (en) 1962-04-02 1965-04-14 Olin Mathieson Purification of organic isocyanates
NL291785A (en) 1962-09-12
US3457291A (en) 1965-04-01 1969-07-22 Union Carbide Corp Production of isocyanates
US3729386A (en) 1971-01-04 1973-04-24 Du Pont Organic isocyanate recovery process by distillation with a tar-thinning agent and a stripping agent
DE2452805A1 (en) 1974-11-07 1976-05-20 Basf Ag PROCESS FOR SEPARATION OF RESIDUES FROM TOLUYLENE DIISOCYANATE PRODUCTION
DE2915830A1 (en) 1979-04-19 1980-10-23 Basf Ag PRODUCTION OF TOLUYLENE DIISOCYANATE AND / OR HIGH-BOILING SOLVENTS IN THE FLUID BED FROM DISTILLATION RESIDUES OF THE TOLUYLENE DIISOCANATE PRODUCTION
DE4317669A1 (en) 1993-05-27 1994-12-01 Bayer Ag Process for the preparation of isocyanates and continuous work-up of the residue
DE4430951C1 (en) 1994-08-31 1996-05-23 Bayer Ag Method and device for separating a solid residue from its solution in a stirred material bed

Also Published As

Publication number Publication date
DE102011051467A1 (en) 2013-01-03
HUE030875T2 (en) 2017-06-28
EP2540702A3 (en) 2015-12-16
EP2540702B1 (en) 2016-12-28
EP2540702A2 (en) 2013-01-02

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